In fact, Novo Nordisk recently reported positive results for one of its anti-obesity candidates that puts its current best-selling drug in this area, Wegovy, to shame. Let's look deeper into these results and what they could mean for investors.

The weight-loss drugmaker's Wegovy and Ozempic are among the most closely watched new medications in recent history, but face serious competition from Eli Lilly’s Zepbound and Mounjaro.

KEY TAKEAWAYS Novo Nordisk's U.S.-listed shares are rising 4% in premarket trading after the Ozempic and Wegovy maker's better-than-estimated quarterly results offset slower 2025 sales growth projections amid "intensifying competition.